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Lab Assistant Jobs in Chesterfield, MO (NOW HIRING)

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How much do lab assistant jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for lab assistant in Chesterfield, MO is $20.04, according to ZipRecruiter salary data. Most workers in this role earn between $16.39 and $22.84 per hour, depending on experience, location, and employer.

What is a lab assistant?

As a laboratory assistant or lab technician, you are responsible for helping scientists conduct experiments in a laboratory environment. You may be asked to prepare, clean, and maintain lab equipment and log readings and results. Your responsibilities may also include performing basic analyses of samples and recording results accurately. Your responsibilities will vary based on the type of lab you work in, but compliance with protocols and commitment to safety and accuracy are critical in any lab.

What are the key skills and qualifications needed to thrive as a lab assistant, and why are they important?

To thrive as a Lab Assistant, you need a basic understanding of laboratory procedures, safety protocols, and often an associate degree or relevant coursework in science. Familiarity with laboratory information management systems (LIMS), standard lab equipment, and proper sample handling techniques is typically required. Attention to detail, strong organizational skills, and effective teamwork are essential soft skills for this role. These skills ensure accurate results, maintain lab safety standards, and support smooth laboratory operations.

What are some common challenges faced by lab assistants, and how can they be managed effectively?

Lab Assistants often encounter challenges such as managing multiple tasks under tight deadlines, maintaining strict adherence to safety protocols, and ensuring the accuracy of data collection. To manage these effectively, it's important to stay organized, communicate proactively with supervisors and colleagues, and remain attentive to details when handling samples or preparing equipment. Many labs offer training on safety and procedures, so taking advantage of these resources can help new hires adapt quickly and perform confidently in their roles.

What is the difference between Lab Assistant vs Medical Laboratory Technician?

AspectLab AssistantMedical Laboratory Technician
Required CredentialsHigh school diploma or equivalent; on-the-job trainingAssociate degree in medical laboratory technology or related field
Work EnvironmentHospitals, clinics, research labsHospitals, diagnostic labs, healthcare facilities
Job ResponsibilitiesAssist with sample collection, prepare specimens, maintain lab equipmentPerform complex tests, analyze samples, report results
Industry UsageCommonly used in healthcare and research settingsPrimarily in medical diagnostics and healthcare

While both roles support laboratory operations, Medical Laboratory Technicians perform more advanced testing and require specialized education. Lab Assistants typically handle basic tasks and support lab staff, making them entry-level positions in healthcare labs.

How much does a lab assistant get paid?

Lab assistants typically earn between $25,000 and $40,000 annually, depending on experience, location, and the specific industry or laboratory setting. Entry-level positions may start lower, while those with specialized skills or certifications can earn higher wages. Pay can also vary based on full-time or part-time status and the complexity of tasks performed.

What exactly does a lab assistant do?

A lab assistant supports laboratory operations by preparing samples, maintaining equipment, recording data, and ensuring safety protocols are followed. They often work under the supervision of scientists or technicians and may need knowledge of lab procedures and basic scientific techniques.

What qualifications do I need to be a lab assistant?

To become a lab assistant, candidates typically need a high school diploma or equivalent; some positions may require postsecondary education or relevant coursework in science. Basic knowledge of laboratory procedures, attention to detail, and familiarity with lab equipment are important. Certifications such as OSHA safety training can also be beneficial.
More about Lab Assistant jobs

What are the most commonly searched types of Lab jobs in Chesterfield, MO?

The most popular types of Lab jobs in Chesterfield, MO are:

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For Lab Assistant jobs in Chesterfield, MO, the most frequently searched job titles are:

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The top searched job categories for Lab Assistant jobs in Chesterfield, MO are:

What cities near Chesterfield, MO are hiring for Lab Assistant jobs?

Cities near Chesterfield, MO with the most Lab Assistant job openings:

Lab Assistant jobs near you
Infographic showing various Lab Assistant job openings in Chesterfield, MO as of August 2026, with employment types broken down into 2% As Needed, 73% Full Time, 22% Part Time, 1% Temporary, and 2% Contract. Highlights an 98% Physical, 1% Hybrid, and 1% Remote job distribution, with an average salary of $41,681 per year, or $20 per hour.

Lab Assistant II

St. Luke's Hospital - MO

Chesterfield, MO

Full-time

Retirement, PTO

Re-posted 3 days ago

Job description

We are dedicated to providing exceptional care to every patient, every time. 

St. Luke’s Hospital is a value-driven award-winning health system that has been nationally recognized for its unmatched service and quality of patient care. Using talents and resources responsibly, we provide high quality, safe care with compassion, professional excellence, and respect for each other and those we serve. Committed to values of human dignity, compassion, justice, excellence, and stewardship St. Luke’s Hospital for over a decade has been recognized for “Outstanding Patient Experience” by HealthGrades.  

Position Summary: 

Performs phlebotomy, processes patient specimens and performs patient registration. Utilizes Laboratory computer system. Prepares specimens to be sent to reference laboratories. Maintains department inventory and operates and maintains equipment. Performs various clerical duties.  Adheres to patient identification, laboratory safety, and department policies and procedures. Responsible for promoting teamwork with all members of the healthcare team. Performs duties in a manner consistent with St. Luke’s mission and values. 

Education, Experience, & Licensing Requirements:   

Education: High School Diploma or GED 

License: Phlebotomy Certification  

Benefits for a Better You:  

  • Day one benefits package 
  • Pension Plan & 401K 
  • Competitive compensation 
  • FSA & HSA options 
  • PTO programs available 
  • Education Assistance 

Why You Belong Here:  

You matter. We could not achieve our mission daily without the hands of our team. Our culture and compassion for our patients and team is a distinct reflection of our dynamic workforce. Each team member is focused on being part of something much bigger than themselves. Join our St. Luke’s family to be a part of making life better for our patients, their families, and one another. 

Apply